This mod is CAT 3406E with straight pipe sound for SCS and modded trucks
Latest Version Feauture:
-CAT 3406E 475-625HP and 800HP Tuned engines with straight pipe sound
-Custom sound attenuation for realistic sound fade off and distortion effect
-Custom sound orientation for realistic sound from different angle
-Custom exhaust distortion for realistic exhaust tone depends on distance and throttle pressed
-Special variable exhaust tones
-Included idle jake brake system
-Included Customizable Additional Supported Trucks (CAST) in the mod
If you don't know what CAST is :
https://steamcommunity.com/workshop/filedetails/discussion/665335536/3156453942274154402/
Quick tutorial on how to use CAST
1. Goto def/vehicle/truck/
2. Rename one of zcustom_xx into truck def name you want
and you should good to go
How to use idle jake brake:
1. hold light horn button (J button) for 1 second, then release
2. tap light horn button once again, and idle jake brake should be engaged
3. Repeat the same process to turn off
Note: idle jake brake is not compatible with the mods that have interior switches sound
(sound fixes pack is exceptional but put my mod on top piority)